Ответ:
Объяснение:
1) II I IV I IV II I II II III I I I II I II II I
VCl2 PtCl4 CO2 Cu2O Mg3N2 HI H2S Li2O CuBr2
III I III II III III
CrCl3 Fe2S3 AlN
2)
SeO3 NiCl3 Ba3N2 CH4 CuS NaBr
3)
M(Na2CO3) = 23 * 2 + 12 + 16 * 3 = 106
M(Al(OH)3) = 27 + (16 + 1) * 3 = 78
M(C4H10) = 12 * 4 + 1 * 10 = 58
M(Ca3(PO4)2 = 40 * 3 + (31 + 16 * 4) * 2 = 120 + 190 = 310
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Ответ:
Объяснение:
1) II I IV I IV II I II II III I I I II I II II I
VCl2 PtCl4 CO2 Cu2O Mg3N2 HI H2S Li2O CuBr2
III I III II III III
CrCl3 Fe2S3 AlN
2)
SeO3 NiCl3 Ba3N2 CH4 CuS NaBr
3)
M(Na2CO3) = 23 * 2 + 12 + 16 * 3 = 106
M(Al(OH)3) = 27 + (16 + 1) * 3 = 78
M(C4H10) = 12 * 4 + 1 * 10 = 58
M(Ca3(PO4)2 = 40 * 3 + (31 + 16 * 4) * 2 = 120 + 190 = 310